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National Stock Number:
5306-01-226-8717
Federal Supply Class:
5306
National Item Identification Number:
012268717
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| J642P04F | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | THREAD LENGTH | 0.372 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 36 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | C50TF13 CL-B MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HEAD HEIGHT | 0.211 INCHES MINIMUM AND | | 0.231 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.2188 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 2 | | HOLE DIAMETER | 0.050 INCHES MINIMUM AND | | 0.070 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | FEATURES PROVIDED | FINISHED HEAD | | SPECIAL FEATURES | FINISH DRY FILM LUBRICANT PER A50TF9 CL-A |
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